W. Strickling

Astronomy ephemeris app for calculating high precision ephemeris and positions of Sun, Moon and the Planets for engaged amateur astronomers and planet …

EclipseDroid is the ultimate companion for each engaged solar eclipse observer and all people, who are interested in solar eclipses. The app calculate …

A small app for astro photographers for calculation of image filed sizes for certain combinations of camera and lens. You can also calculate the maxim …

Release your digital camera (eg. a DSLR) with your phone! Now CameraTimer supports USB host mode of Android 3.X and higher. A special USB adaptor cabl …

GPS-Tacho is a speedometer based on the values of your GPS sensors. It is displaying speed, precise GPS-time, coordinates, altitude, a compass with be …

This app helps you to align your parallactic telescope mount toward the celestial pole, using the numeric Scheiner method given by Dr. M. Knülle, 2000 …

A small app for calculating the standard atmosphere. Get temperature, pressure, density, speed of sound, absolute humidity, vapour pressure and dew po …

EclipseDroid is the ultimate companion for each engaged solar eclipse observer and all people, who are interested in solar eclipses. The app calculate …

Small astronomy app for calculation the apparent position of geostationary satellites. It assumes a circular orbit with aninclination of 0°. For visua …

A small app for the recording of visual meteor observations. It has large red buttons not spoiling the dark sky adaptation of your eyes. The data are …